body {
  font: 14px/1.8 "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
}

.icon {
  width: 1em; height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

// 隐藏滚动条
::-webkit-scrollbar {
  display: none;
}
